Programmable Logic Controllers
Programmable Logic Controllers
5th Edition
ISBN: 9780073373843
Author: Frank D. Petruzella
Publisher: McGraw-Hill Education
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Chapter 9, Problem 15RQ

Explanation of Solution

Fault routine file:

  • Fault routine is a subroutine file which determines how a processor handles a programming error.
  • It is designated by Allen Bradley SLC 500 controllers.
  • It is determined by the value of word stored in S: 29 of the status file.
  • The fault routine will be disabled when a 0 is entered in the word S: 29...

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